Includes Official American League MacPhail ball signed by 11 including Reggie Jackson, Lou Pinella, Jim Palmer, Hank Aaron and more. 1977 Baltimore Orioles team signed Official American League MacPhail ball with 23 signatures including Earl Weaver, Jim Palmer, Brooks Robinson, Eddie Murray (Rookie) and more. Finally, and best of all, baseball signed by 15 including Thurman Munson, Billy Martin, Rod Carew, Carl Yastrzemski, Greg Nettles, Hank Aaron, Fred Lynn, Bert Campanaris, Jim Hunter and more. Signatures vary, but most of the key signatures are 6-8 on scale of 1-10.